Specifications

35
IEEE 1284 Parallel Port
Pinout
Computer End Controller End
1284A Connector 1284C Connector
Pin Signal Pin
1 nStrobe 15
18 Rtn 33
2 Data_1 6
19 Rtn 24
3 Data_2 7
19 Rtn 25
4 Data_3 8
20 Rtn 26
5 Data_4 9
20 Rtn 27
6 Data_5 10
21 Rtn 28
7 Data_6 11
2 Rtn 29
8 Data_7 12
22 Rtn 30
9 Data_8 13
22 Rtn 31
10 nAck 3
24 Rtn 21
11 Busy 1
23 Rtn 19
12 PE 5
24 Rtn 23
13 Select 2
24 Rtn 20
14 nAutoFeed 17
25 Rtn 35
15 nFault 4
23 Rtn 22
16 nInit 14
25 Rtn 32
17 nSelectIn 16
25 Rtn 34
(nc) +5V/Host_Avail 18
(nc) Perph_Avail 36
Table A-2.1. IEEE 1284 A-to-C Connector Contact Numbering